GUNNISON, CO, USA
N12JP
PIPER PA-31P
WHILE ENROUTE TO ADDISON, TX, THE PILOT NOTICED A FLUCTUATION IN THE ENGINE EXHAUST GAS TEMPERATURE GAUGE, FOLLOWED BY THE TACHOMETER DROPPING TO ZERO. THE PILOT ALSO OBSERVED SMOKE EMANATING FROM THE ENGINE NACELLE AND PROCEEDED TO SECURE THE ENGINE AND FEATHER THE PROPELLER AND ACCOMPLISH A SUCCESSFULL EMERGENCY LANDING. FURTHER EXAMINATION DISCLOSED TWO BLOW-OUT HOLES IN THE LOWER AREA OF THE TRANSITION TUBE ASSEMBLY THAT ALLOWED HOT ENGINE EXHAUST TO ESCAPE INTO THE ENGINE COMPARTMENT. THE OVERBOARD EXHAUST PIPE CLAMPS, COWL FLAP MOTOR AND ACTUATING ROD WERE DAMAGED BY FIRE AND FELL FROM THE AIRCRAFT WHILE IN FLIGHT.
Source: NTSB Aviation Accident Database
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